diff options
Diffstat (limited to 'net/bluetooth/hidp/core.c')
| -rw-r--r-- | net/bluetooth/hidp/core.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 07348e142f16..a05b9dbf14c9 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -70,10 +70,11 @@ static void hidp_session_terminate(struct hidp_session *s); static void hidp_copy_session(struct hidp_session *session, struct hidp_conninfo *ci) { + u32 valid_flags = 0; memset(ci, 0, sizeof(*ci)); bacpy(&ci->bdaddr, &session->bdaddr); - ci->flags = session->flags; + ci->flags = session->flags & valid_flags; ci->state = BT_CONNECTED; if (session->input) { @@ -907,7 +908,7 @@ static int hidp_session_new(struct hidp_session **out, const bdaddr_t *bdaddr, kref_init(&session->ref); atomic_set(&session->state, HIDP_SESSION_IDLING); init_waitqueue_head(&session->state_queue); - session->flags = req->flags & (1 << HIDP_BLUETOOTH_VENDOR_ID); + session->flags = req->flags & BIT(HIDP_BLUETOOTH_VENDOR_ID); /* connection management */ bacpy(&session->bdaddr, bdaddr); @@ -1312,6 +1313,7 @@ int hidp_connection_add(struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock) { + u32 valid_flags = 0; struct hidp_session *session; struct l2cap_conn *conn; struct l2cap_chan *chan; @@ -1321,6 +1323,9 @@ int hidp_connection_add(struct hidp_connadd_req *req, if (ret) return ret; + if (req->flags & ~valid_flags) + return -EINVAL; + chan = l2cap_pi(ctrl_sock->sk)->chan; conn = NULL; l2cap_chan_lock(chan); @@ -1351,13 +1356,17 @@ out_conn: int hidp_connection_del(struct hidp_conndel_req *req) { + u32 valid_flags = BIT(HIDP_VIRTUAL_CABLE_UNPLUG); struct hidp_session *session; + if (req->flags & ~valid_flags) + return -EINVAL; + session = hidp_session_find(&req->bdaddr); if (!session) return -ENOENT; - if (req->flags & (1 << HIDP_VIRTUAL_CABLE_UNPLUG)) + if (req->flags & BIT(HIDP_VIRTUAL_CABLE_UNPLUG)) hidp_send_ctrl_message(session, HIDP_TRANS_HID_CONTROL | HIDP_CTRL_VIRTUAL_CABLE_UNPLUG, |